Iko kushandiswa kwemavhiri ekukuya kwakakura kwazvo. Kune maturusi ekukuya akaenzanirana, mabheji, cylindrical disc-shaped kana vhiri-shaped, ayo anogadzirwa neabrasives nemabhainda akadai seceramics, resin uye rabha. Inogona kugaya uye kucheka pamusoro pezvinhu kuti zvigadziriswe nepamusoro-kutenderera kutenderera. Brown corundum jecha ndicho chinhu chikuru chekugadzira mavhiri ekukuya. Mavhiri ekugaya akagadzirwa nayo haana kuoma kwepamusoro chete, asiwo ane simba rekukuya riri nani pane rakagadzirwa nezvimwe zvinhu.
Nguva yekutumira: Mar-15-2023